ISO 2566-1-2021钢--伸长值的换算--第1部分:碳素钢和低合金钢【适用范围】This document specifies a method of converting room temperature percentage elongations after fracture obtained on various proportional and non-proportional gauge lengths to other gauge lengths.【正文命中】ERNATIONAL ISO STANDARD 2566-1 Third edition 2021-12 Steel — Conversion of elongation values — Part 1: Carbon and low-alloy steels Acier — Conversion des valeurs d\'allongement — Partie 1: Aciers au carbone et aciers faiblement alliés Reference number ISO 2566-1:2021(E) ? ISO 2021 ISO 2566-1:2021(E) COPYRIGHT PROTECTED DOCUMENT ? ISO 2021 All rights re【中国标准分类】 H22 金属理化性能实验方法【国际标准分类】 77.040.10-金属材料力学试验